[libadwaita] about-window: Fix wrong since annotation

[Alexander Mikhaylenko <alexm src gnome org>]

commit b0d548220e106c80c8a1bd7c1d4ee7b7599fd304
Author: Maximiliano Sandoval R <msandova protonmail com>
Date:   Thu Jul 7 22:49:05 2022 +0200

    about-window: Fix wrong since annotation

 src/adw-about-window.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/adw-about-window.c b/src/adw-about-window.c
index d6c43584..4bac8fb6 100644
--- a/src/adw-about-window.c
+++ b/src/adw-about-window.c
@@ -1794,7 +1794,7 @@ adw_about_window_class_init (AdwAboutWindowClass *klass)
    *
    * Returns: `TRUE` if the link has been activated
    *
-   * Since: 1.0
+   * Since: 1.2
    */
   signals[SIGNAL_ACTIVATE_LINK] =
     g_signal_new ("activate-link",